Cherokee 2WD L4-150 2.5L VIN H TBI (1988)
Emissions Maintenance Light: Description and Operation
Emission Maintenance Timer (Right of Steering Column)
An Emission Maintenance Timer and Indicator Light is used to inform the owner when oxygen sensor and PCV valve replacement and other scheduled
emission is required. The timer is operated by the ignition system. It activates the indicator light when vehicle mileage reaches the scheduled
maintenance interval of approximately 82,500 miles.
